Shal Potassium ChannelsPotassium Channels, Voltage-GatedPotassium ChannelsPotassiumPotassium Channels, Inwardly RectifyingPotassium Channel BlockersKv1.3 Potassium ChannelKv1.2 Potassium ChannelIon ChannelsKv1.1 Potassium ChannelShaker Superfamily of Potassium ChannelsKv1.5 Potassium ChannelMyocardiumIon Channel GatingShaw Potassium ChannelsCalcium ChannelsPotassium Channels, Calcium-ActivatedEther-A-Go-Go Potassium ChannelsShab Potassium ChannelsKCNQ1 Potassium ChannelKCNQ Potassium ChannelsKv1.4 Potassium ChannelLarge-Conductance Calcium-Activated Potassium ChannelsKCNQ2 Potassium ChannelKATP ChannelsKCNQ3 Potassium ChannelMembrane PotentialsMyocytes, CardiacPotassium Channels, Tandem Pore DomainDelayed Rectifier Potassium ChannelsPatch-Clamp TechniquesCalcium Channel BlockersElectrophysiologyG Protein-Coupled Inwardly-Rectifying Potassium ChannelsSmall-Conductance Calcium-Activated Potassium ChannelsChloride ChannelsTetraethylammoniumElectric ConductivityGlyburideOocytesXenopus laevisHeartCalcium Channels, L-TypeKv Channel-Interacting ProteinsIntermediate-Conductance Calcium-Activated Potassium ChannelsXenopus4-AminopyridineScorpion VenomsAction PotentialsCardiac OutputCalciumLarge-Conductance Calcium-Activated Potassium Channel alpha SubunitsArrhythmias, CardiacMolecular Sequence DataCharybdotoxinPinacidilSodium Channel BlockersCromakalimSodiumAmino Acid SequencePotassium, DietarySulfonylurea ReceptorsRats, Sprague-DawleyKineticsAdenosine TriphosphateBariumCells, CulturedTetraethylammonium CompoundsCalcium Channels, N-TypeDose-Response Relationship, DrugBarium CompoundsPotassium DeficiencyNeuronsKv1.6 Potassium ChannelTime FactorsCyclic Nucleotide-Gated Cation ChannelsCalcium Channels, T-TypeTRPC Cation ChannelsPotassium CompoundsCell MembraneBenzopyransApaminProtein SubunitsCardiac Surgical ProceduresElapid VenomsMutationCalcium Channel AgonistsDeath, Sudden, CardiacLarge-Conductance Calcium-Activated Potassium Channel beta SubunitsIon TransportReceptors, DrugNicorandilCell LinePotassium ChlorideHeart VentriclesCesiumProtein Structure, TertiaryGuinea PigsRats, WistarDiazoxide